Home / 99,910,321.87-137,869,244.88-58,091,420.32

Finding the Fourth Proportional to 99,910,321.87, 137,869,244.88 and 58,091,420.32

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Solution

The fourth proportional to 99,910,321.87, 137,869,244.88 and 58,091,420.32 is: 80,162,090.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,910,321.87 : 137,869,244.88 = 58,091,420.32 : x
  2. Step 2: Convert to fraction form
    99,910,321.87/137,869,244.88 = 58,091,420.32/x
  3. Step 3: Cross multiply
    99,910,321.87x = 137,869,244.88 × 58,091,420.32
  4. Step 4: Simplify right side
    99,910,321.87x = 8,009,020,253,180,415
  5. Step 5: Solve for x
    x = 8,009,020,253,180,415/99,910,321.87
  6. Step 6: Final answer
    x = 80,162,090.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.